Predicted environmental concentration

Calculated value of a chemical in the environment on the basis of exposure models such as the European Union System for the Evaluation of Substances (EUSES). Used in the context of Chemical Safety Assessments (CSA) and referenced in Chemical Safety Reports (CSR).

Measured environmental concentration

An Measured Environmental Concentration (MEC) relates to a chemical substance found in an environmental sample. The concentration of the compound may result from direct contamination, transformation and/or metabolization of a different chemical

European Union System for the Evaluation of Substances

The European Union System for the Evaluation of Substances (EUSES) is a mathematical model for calculation of Predicted Environmental Concentrations (PEC) and human exposure. It may be used in Chemical Safety Assessments (CSA) and be cited in Chemical

Chemical safety assessment

A Chemical safety assessment (CSA) " is an analysis used in many situations where chemical are used and where there is a possibility that they may present a risk to life, health or the environment

Derived no-effect level

The derived no-effect level (DNEL) is the level of exposure to a substance above which humans should not be exposed. The REACH regulation defines them as exposure levels beneath which a substance does not harm human health. According to the EU REACH

It's the Great Pumpkin

It's the Great Pumpkin may refer to:It's the Great Pumpkin, Charlie Brown, a 1966 animated television special It's the Grand Pumpkin, Milhouse, an animated segment in the 2008 Halloween episode "Treehouse of Horror XIX" of The Simpsons It's the Great

Tablature editor

A tablature editor is a piece of software that aids in creating tablature such as guitar tablature. Most tablature editors have features like playback and MIDI file import

Mausoleum of Yacoub bin Abd al-Rahman

Mausoleum of Yacoub bin Abd al-Rahman is a mausoleum dedicated to Yacoub bin Abd al-Rahman, tabi‘e, qāriʾ and hadith narrator. It is located at the Fouad Street in the Alexandria, Egypt

Zuhur (given name)

Zuhur is a feminine given name in Arabic, meaning "flowers" in Arabic

Mausoleum of Abdullah ibn Ali Zayn al-Abidin

Mausoleum of Abdullah ibn Ali Zayn al-Abidin is a mausoleum dedicated to Abdullah ibn Ali Zayn al-Abidin, grandson of Husayn ibn Ali. It is located at the Fouad Street in the Alexandria, Egypt

Faiza Lalam

Faiza Lalam is a medical doctor from Algeria, who is credited as the first woman neurosurgeon in Africa, spearheading the work of women in the specialism on the continent. She was described in 2020 as the "'Dean' of women neurosurgeons in Africa and the